Infrared and Laser Engineering, Volume. 50, Issue S2, 20210236(2021)

Experimental investigation of 2.79 μm Cr, Er: YSGG laser fiber coupling

Lei Huang1,2, Zhengdong Xiong2,3, Tingqing Cheng2, and Haihe Jang2
Author Affiliations
  • 1Institute of Material Science and Information Technology, Anhui University, Hefei 230601, China
  • 2Institute of Health and Medical Technology, Hefei Institute of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
  • 3University of Science and Technology of China, Hefei 230026, China
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    Figures & Tables(9)
    Diagram of output power of lens with different parameters
    Relationship between waist spot ω1 of image side and focal length f of lens像方腰斑与透镜焦距f的关系
    Relationship between numerical aperture RNA and spot radius ω1 of image side laser像方激光数值孔径与光斑半径的关系
    Coupling efficiency of different coupling lenses
    Light path diagram of single lens coupling experiment
    Spot of laser output end
    Spot image of optical fiber end
    Variation of output power and coupling efficiency with input power
    • Table 1. Divergence angle of the output mirror with different parameters

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      Table 1. Divergence angle of the output mirror with different parameters

      Output mirror parameters/mmDivergence angle/mradSpot diameter/mmBPP value/mm·mrad
      1R1=∞,R2=∞ 44.635.91131.90
      2R1=150,R2=200 31.106.0393.77
      3R1=200,R2=250 27.625.3774.10
      4R1=250,R2=300 20.603.2633.57
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    Lei Huang, Zhengdong Xiong, Tingqing Cheng, Haihe Jang. Experimental investigation of 2.79 μm Cr, Er: YSGG laser fiber coupling[J]. Infrared and Laser Engineering, 2021, 50(S2): 20210236

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    Paper Information

    Category: Lasers and laser optics

    Received: Apr. 13, 2021

    Accepted: --

    Published Online: Dec. 3, 2021

    The Author Email:

    DOI:10.3788/IRLA20210236

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